I use an airdog 100 as a lift pump feeding the stock pump. Working good for 4 years and counting.
I agree with a RR as well anytime building over 400 hp, along with converter, valve body etc or full built trans. It gets expensive after 400hp.

Yes it does hurt your bank account with these kind of toys.. My over all plans for this truck is to reach about 650-700 hp but as of right now is a dd and a 400 range is good for right now.. And it's a 2000 model

I wouldn't do either! Personally I think both of those pumps are very unreliable. They are also very expensive. I have friends with both setups who have both had major issues with their pumps.

I am going with a dual stock setup. I think it is tough to beat the reliability of that setup. After seeing what my friends went through there is NO way a FASS or an Airdog is going on my truck. Even if it was free!

You will get some axle wrap with a heavy trailer, I can feel it when towing my gooseneck with some heavy equipment. My Deavers will wrap enough to make the tires rub the front of the rear fender well if I give it too much throttle on aceleration.

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